CN218004531U

CN218004531U - Transformer insulating housing convenient to flying wire detours

Info

Publication number: CN218004531U
Application number: CN202222233282.2U
Authority: CN
Inventors: 曾源; 曾钰锭; 吴声鸿; 莊同荣
Original assignee: Quanzhou Hengtaisheng Intelligent Technology Co ltd
Current assignee: Quanzhou Hengtaisheng Intelligent Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-09
Anticipated expiration: 2032-08-24

Abstract

The utility model relates to a transformer insulation shell convenient to flying wire detour, the at least one side lateral wall of insulation shell is equipped with the first card line that is used for supplying transformer winding flying wire detour and leads to the groove, detachably is equipped with a apron piece on the first card line leads to the groove, the winding flying wire of transformer can follow insulation shell lateral wall detour card and go into first card line and lead to the groove, go into groove card by first card line and go into, further fixed by the apron piece again, avoid the flying wire in disorder to fly for the circuit of circuit board is concise clean and tidy.

Description

Transformer insulating housing convenient to flying wire detours

Technical Field

The utility model relates to a transformer technical field, more specifically say and indicate a transformer insulation support convenient to flying wire detours.

Background

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and is widely applied to various circuit boards. The transformer mainly comprises a framework, a primary winding, a secondary winding and a magnetic core, wherein the primary winding, the secondary winding and the magnetic core are formed by winding coils on the framework, but some transformers are formed by sequentially assembling a plurality of copper sheets and a plurality of coils in the market, for example, the Chinese utility model patent with the authorization publication number of CN215496336U provided by the applicant: the utility model provides a can improve transformer of primary and secondary degree of coupling, is including the magnetic core that is the skeleton of transformer of tube-shape and assembles both ends about the skeleton of transformer, the skeleton of transformer from top to bottom encircles and is provided with a plurality of baffle, forms the wire winding groove that is used for twining primary winding between two adjacent baffles, is equipped with the slot that is used for inserting secondary copper sheet in every baffle, secondary copper sheet is and takes open-ended annular structure, the opening part of secondary copper sheet is equipped with the pin of buckling and accepts the pin, and the secondary copper sheet in two adjacent slots docks each other through buckling the pin and accepting the pin respectively.

Like this kind of transformer of utility model, when assembling on the PCB board, transformer coil's flying lead does not have to be affiliated to, in order to guarantee flying lead ann rule, and the flying lead can only fly to the transformer outside and insert the PCB board, leads to the indiscriminate flying of PCB board flying lead, the circuit is chaotic, and the transformer installation is loaded down with trivial details simultaneously, and the dress board is inefficient.

Disclosure of Invention

Based on the above problem, the utility model provides a transformer insulation cover convenient to flying wire detours to solve the transformer flying wire of current many copper sheets multicoil winding and do not have to be affiliated to, the board way is chaotic, the loaded down with trivial details inefficiency scheduling problem of dress board.

The utility model adopts the following technical scheme:

the utility model provides a transformer insulation shell convenient to flying wire is walked around, at least one side lateral wall of insulation shell is equipped with the first card line logical groove that is used for supplying transformer winding flying wire to be walked around, detachably is equipped with a apron piece on the first card line logical groove.

Furthermore, the first line clamping through groove is formed by arranging two L-shaped convex blocks at intervals, the L bending directions of the two L-shaped convex blocks are arranged in a back direction, and one surface, facing the first line clamping through groove, of the cover plate block is provided with a mounting groove for being clamped on the L-shaped convex blocks.

Furtherly, the notch both sides of mounting groove are L type bayonet socket respectively, and the L direction of buckling of two L type bayonet sockets sets up for in opposite directions, L type bayonet socket with L type lug cooperation joint.

Furthermore, a second wire clamping through groove is formed in the surface, back to the first wire clamping through groove, of the cover plate block.

Furthermore, insulating casing is half box of L type, and half box of L type is by bottom plate, curb plate, front bezel and backplate integrated into one piece, the bottom plate is equipped with the breach portion that is used for supplying transformer copper sheet pin to pass, the lateral wall of front bezel and/or backplate is equipped with first card line logical groove.

Furthermore, the top of the side plate of the insulating shell is provided with a clamping part used for clamping the transformer framework, and the inner side wall of the bottom plate of the insulating shell is provided with a positioning protrusion used for clamping the transformer framework.

Furthermore, a plurality of pin bases are arranged on the outer side wall of the side plate of the insulating shell, and pins are arranged in the pin bases.

Furthermore, the outer side wall of the side plate of the insulating shell is also provided with a lead seat, and the pin seat and the lead seat are arranged at intervals and form a lead through groove on the side wall of the insulating shell.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

1. the winding flying wire of the transformer can be arranged along the side wall of the front plate or the rear plate of the insulating shell of the utility model, the flying wire is clamped into the first wire clamping through groove for fixation, and then is inserted into the cover plate block for further fixation, and then the flying wire is spot-welded on the circuit board, after the spot welding is completed, whether the cover plate block is left on the insulating shell can be selected according to the requirements of customers or the circuit design of the circuit board; the cover plate block is left, so that the flying of the flying line can be avoided, and the circuit of the circuit board is simple and tidy; the cover plate block is taken out and can be used as an auxiliary part for installing the transformer, so that the cover plate block can be recycled, and the cost is saved. In addition, the cover plate block is provided with a second wire clamping through groove on the surface back to the first wire clamping through groove, and a user can select to detour the flying wire on the second wire clamping through groove according to the safety requirements of different transformers.

2. The fly line of transformer winding can detour in the utility model discloses behind the lead wire logical groove that forms between wire guide seat and the stitch seat, the winding spot is welded on the stitch, and on rethread stitch disect insertion circuit board, the fly line of avoiding the transformer when the dress board flies in disorder for the circuit of circuit board is terse more neatly.

Drawings

Fig. 1 is a schematic diagram of a transformer according to an embodiment of the present invention.

Fig. 2 is an exploded schematic view of a transformer according to an embodiment of the present invention.

Fig. 3 is a schematic view of a skeleton and a magnetic core structure according to an embodiment of the present invention.

Fig. 4 is an exploded view of an insulation housing according to an embodiment of the present invention.

Fig. 5 is a top view of an insulating housing and a frame according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of the second embodiment of the present invention.

Wherein the reference numbers in the figures are: the structure comprises a framework 10, a clamping groove 11, a positioning groove 12, a baffle 20, a left baffle 21, a middle baffle 22, a right baffle 23, a slot 24, a ladder groove 25, an avoiding notch 26, a winding groove 30, a secondary copper sheet 40, a bent pin 41, a bearing pin 42, an insulating shell 50, a bottom plate 501, a side plate 502, a front plate 503, a rear plate 504, a notch part 51, a buckling part 52, a positioning protrusion 53, a pin seat 54, pins 55, a lead seat 56, a lead through groove 57, a first lead through groove 58, a cover plate 59, a second lead through groove 590, a mounting groove 591 and a magnetic core 60.

Detailed Description

The following describes specific embodiments of the present invention with reference to the drawings.

Example one

Referring to fig. 1, 2, 3 and 5, an insulating housing for a transformer and a transformer thereof, which facilitate flying winding, includes a cylindrical transformer bobbin 10, magnetic cores 60 mounted at left and right ends of the transformer bobbin 10, and an insulating housing 50. The transformer framework 10 is provided with a plurality of baffles 20 at intervals from left to right, a winding slot 30 for winding the primary winding is formed between two adjacent baffles 20, and an avoiding notch 26 for leading out a lead of the primary winding or crossing the winding slot 30 is arranged on the outer side wall of each baffle 20. Each baffle 20 has a slot 24 for inserting a secondary copper sheet 40. The secondary copper sheet 40 is in an annular structure with an opening, pins are arranged at the opening of the secondary copper sheet 40, the pins comprise bending pins 41 and receiving pins 42, the bending pins 41 are bent upwards or downwards in an L shape, and the secondary copper sheets 40 in two adjacent slots 24 are butted with each other through the bending pins 41 and the receiving pins 42 respectively.

More specifically, referring to fig. 3, the baffle 20 includes left and

right baffles

21 and 23 respectively disposed at both ends of the bobbin 10 and at least one intermediate baffle 22, and the present embodiment is preferably one intermediate baffle 22. The side of the slot of the left baffle 21 and the right baffle 23 facing the magnetic core 60 is hollowed out to form a ladder groove 25 for placing the secondary copper sheet 40. The design mode can reduce the side wall of the baffle 20 facing to one side of the magnetic core 60, further reduce the volume of the transformer and is beneficial to the miniaturization of the transformer. The slots 24 of the intermediate baffle 22 are inserted into two secondary copper sheets 40, and the bodies of the two secondary copper sheets 40 are isolated from each other by an insulating film (not shown).

Referring to fig. 1, 4 and 5, the insulating housing 50 is disposed at any one of the left and right ends of the frame 10, or the insulating housing 50 is disposed at both the left and right ends, and the insulating housing 50 is L-shaped and wraps the frame 10 and the magnetic core 60. In this embodiment, the insulating housing 50 is preferably disposed at one end of the framework 10, the insulating housing 50 is an L-shaped half box, the L-shaped half box is integrally formed by a bottom plate 501, a side plate 502, a front plate 503 and a rear plate 504, and the bottom plate 501 is provided with a notch 51 for the pin of the transformer secondary copper sheet 40 to pass through. The top of the side plate 502 of the insulating housing 50 is provided with a buckling part 52 for being clamped in the transformer framework 10, and the inner side wall of the bottom plate 501 of the insulating housing 50 is provided with a positioning protrusion 53 for being clamped in the transformer framework 10. The left end and the right end of the top of the transformer framework 10 are provided with clamping grooves 11 matched with the clamping parts 52, and the bottom of the transformer framework 10 is provided with a plurality of positioning grooves 12 matched with the positioning protrusions 53. The insulating housing 50 is fastened to the slot 11 and the positioning groove 12 of the framework 10 by the fastening part 52 and the positioning protrusion 53, respectively, so as to complete the installation of the insulating housing 50.

Referring to fig. 1, 4 and 5, any side wall of the insulating housing 50 may be provided with a first wire clamping through slot 58 for winding flying wires, and the embodiment preferably provides the first wire clamping through slot 58 on the outer side wall of the front plate 503 and the rear plate 504 of the insulating housing 50, and the first wire clamping through slot 58 is detachably provided with a cover plate block 59. More specifically, the first wire clamping through groove 58 is formed by arranging two L-shaped protrusions in parallel at intervals, the L bending directions of the two L-shaped protrusions are arranged in a back-to-back manner, and one surface of the cover plate block 59 facing the first wire clamping through groove 58 is provided with a mounting groove 591 for clamping the L-shaped protrusions. The notch both sides of mounting groove 591 are L type bayonet socket respectively, and the L direction of buckling of two L type bayonet sockets is for setting up in opposite directions, and L type bayonet socket and L type lug cooperation joint. The cover plate block 59 is matched with the L-shaped convex block through the mounting groove 591, and can be conveniently disassembled and assembled on the first wire clamping through groove 58. The cover plate 59 is further provided with a second wire-clamping through groove 590 on the surface facing away from the first wire-clamping through groove 58. The outer side wall of the side plate 502 of the insulating shell 50 is provided with a plurality of pin bases 54 and lead bases 56, pins 55 are arranged in the pin bases 54, the pin bases 54 and the lead bases 56 are arranged in parallel at intervals, and lead through grooves 57 are formed in the side wall of the insulating shell 50.

Referring to fig. 1 to 5, when the insulating case 50 of the present invention is mounted, the insulating case 50 is fastened to the bobbin 10 and the magnetic core 60, and the pins of the secondary copper sheet 40 of the transformer pass through the notches 51 of the insulating case 50. The utility model adopts the L-shaped half-pack form, which can be assembled at one end or both ends of the transformer arbitrarily, has flexible assembly, saves material cost, and can meet the requirements of various different circuit boards of customers, for example, when the transformer is assembled at the edge of the circuit board or the primary winding of the transformer only needs one end to be fed and discharged, a single insulating shell 50 can be selected to be assembled at one end of the transformer; for another example, when a transformer is mounted in the middle of a circuit board or a primary winding of the transformer needs to have wires fed and pulled from two ends, two insulating housings 50 can be selected to be mounted on two ends of the transformer respectively. Moreover, due to the existence of the bottom plate 501 of the insulating shell 50, when the secondary copper sheet 40 of the transformer is installed on the circuit board, the bottom plate 501 of the insulating shell 50 can increase the contact surface between the transformer and the circuit board, so that the transformer can be placed more flatly and stably, and meanwhile, the thickness of the bottom of the insulating shell 50 is fixed, so that the distance between the secondary copper sheet 40 and the circuit board can be ensured to be fixed when the transformer is placed stably, and the effects of insulation and safety regulation are achieved.

In addition, referring to fig. 1 to 5, because insulating casing 50 is equipped with lead wire through groove 57 and first card line through groove 58 and second card line through groove 590, make the utility model discloses after primary winding's coil wire winding, the fly line of winding can adopt multiple different modes to walk the line and dress the board according to customer's various demands. For example, after the flying leads of the winding can bypass the lead through groove 57 formed between the lead seat 56 and the pin seat 54, the winding is spot-welded on the pin 55, and then the pin 55 is directly inserted into the circuit board, so that the flying leads of the transformer are prevented from flying in a mess during board installation, and the circuit of the circuit board is simpler and tidier. For another example, the flying leads of the winding may be routed along the side wall of the front plate 503 or the rear plate 504 of the insulating housing 50, the flying leads are inserted into the first wire-clamping through slots 58 and then inserted into the cover plate block 59 for further fixing, the flying leads are spot-welded on the circuit board, and after spot-welding is completed, whether the cover plate block 59 is left on the insulating housing 50 or not may be selected according to the customer requirements or the circuit design of the circuit board. The cover plate block 59 is left, so that the flying of the flying line can be avoided, and the circuit of the circuit board is simple and tidy; the cover plate block 59 is taken out, and the cover plate block 59 is used as a plate mounting auxiliary part of the transformer and can be reused, so that the cost is saved. In addition, one side of the cover plate block 59, which faces away from the first wire clamping through groove 58, is provided with a second wire clamping through groove 590, so that a customer can select to wind a flying wire on the second wire clamping through groove 590 according to the safety requirements of different transformers.

Example two

Referring to fig. 6, the structure of this embodiment is substantially the same as that of the embodiment, and is not described herein, but the difference is at least: the number of the insulating housings 50 is two in this embodiment, and the two insulating housings 50 are symmetrically buckled at the left and right ends of the framework 10 along the center line of the framework 10.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a transformer insulation shell convenient to flying wire detours which characterized in that: the outer side wall of at least one side of the insulating shell is provided with a first wire clamping through groove for winding flying wires of the transformer winding to go around, and the first wire clamping through groove is detachably provided with a cover plate block.

2. The transformer insulation housing for facilitating flying wire detour according to claim 1, wherein: the first line clamping through groove is formed by arranging two L-shaped convex blocks at intervals, the L bending directions of the two L-shaped convex blocks are arranged in a back direction, and one surface, facing the first line clamping through groove, of the cover plate block is provided with a mounting groove used for being clamped on the L-shaped convex blocks.

3. The transformer insulation housing for facilitating flying wire detour according to claim 2, wherein: the notch both sides of mounting groove are L type bayonet socket respectively, and the L direction of buckling of two L type bayonet sockets sets up for in opposite directions, L type bayonet socket with L type lug cooperation joint.

4. The transformer insulation housing for facilitating flying wire detour according to claim 1, wherein: and a second wire clamping through groove is formed in the surface, back to the first wire clamping through groove, of the cover plate block.

5. The transformer insulation housing for facilitating flying wire detour according to claim 1, wherein: insulating casing is half box of L type, and half box of L type is by bottom plate, curb plate, front bezel and backplate integrated into one piece, the bottom plate is equipped with the breach portion that is used for supplying transformer copper sheet pin to pass, the lateral wall of front bezel and/or backplate is equipped with first card line logical groove.

6. The transformer insulation housing for facilitating flying wire detour according to claim 5, wherein: the top of the side plate of the insulating shell is provided with a clamping part used for being clamped in the transformer framework, and the inner side wall of the bottom plate of the insulating shell is provided with a positioning protrusion used for being clamped in the transformer framework.

7. The transformer insulation housing for facilitating flying wire detour according to claim 5, wherein: the lateral plate outer side wall of the insulating shell is provided with a plurality of pin bases, and pins are arranged in the pin bases.

8. The transformer insulation housing for facilitating flying wire detour according to claim 7, wherein: the outer side wall of the side plate of the insulating shell is also provided with a lead seat, and the stitch seat and the lead seat are arranged at intervals and form a lead through groove on the side wall of the insulating shell.